RX300 S3 Operating manual 13
Introduction Features
USB interface
The two USB interfaces on the front of the server supports activities carried out
by the service technician. The maximum length of the external cable are three
meters.
Power supply
In its basic configuration, the server has a hot-plug multi-range power supply
unit that adjusts automatically to any power voltage in the range from 100 V -
240 V. An additional power supply unit can be installed optionally in order to
ensure redundancy of the power supply. If one power supply unit fails, the
redundant configuration ensures operation can continue uninterrupted. The
defective power supply unit can be replaced online (for further details see
section “Hot-plug Power Supply Units” on page 75).
Ventilation
The server is cooled by one or two fan units (redundant configuration). One fan
unit with three CPU fans and one system fan is integrated in the standard
system fan configuration. If two fan units are installed, each of them form a
redundant unit.
If one fan in one redundant unit fails, the other fan unit ensures operation can
continue uninterrupted. The defective fan can be replaced online (for further
details see section “Replacing a Hot-plug Fan” on page 88).
Every processor has a heatpipe. The processors are cooled additionally by the
three and/or six CPU fans in the fan units.
High level of availability and reliability
When memory data is accessed, 1-bit errors in the main memory are recog-
nized and automatically corrected with the ECC (Error Correcting Code)
method. The patented memory scrubbing function regularly starts up the EDC
mechanism and thus ensures continuous data integrity.
The memory modules used support SDDC technology (Chipkill™), which in
addition increases the effectiveness of the monitoring and correction of memory
errors.
Support is likewise provided for hot-spare memory technology, in which a
memory bank is used like a replacement bank. If a memory module fails, the
bank with the defective memory is automatically deactivated and the
replacement bank is activated in its place (assuming it has been configured
To Next Page
Loading...
